Alaimo found Dukat very unpredictable, because the producers of DS9 didn’t communicate with him very often and the character itself seemed highly unstable to him. (Cinefantastique, Vol. 28, No. 4/5, pp. 51-52) The actor remarked about Dukat, “You never know quite if he’s going to be aggressive, if he’s going to be sensitive, if he’s going to be passive, you never quite know which way he’s going to go. That’s what I love about him. Originally when first I started doing this, I could have taken a very one dimensional point of view about this character, and just played him. ‘I’m going to rip your arms and legs off and eat them, right in front of you.’ I could have done that. It would have been easy. But I began to see little interesting things about him, to give him texture and some different colors, and something people could really relate to. It’s all turned out very well. I think he’s really turned into a very interesting character [….] A lot of people assume that I am bad, that I am a heavy on the show, and I don’t think so at all. If [Dukat] is pushed into the corner he can get real mean. That’s part of his nature [….] So Dukat’s a fighter. But he’s fair, he’s sensitive, he’s intelligent, he’s reasonable.”

http://memory-alpha.wikia.com/wiki/Dukat